Singh, S., & Lynch, J. (1997). Fermat's enigma: The epic quest to solve the world's greatest mathematical problem. Walker.
Chicago-viite (17. p.)Singh, Simon, ja John Lynch. Fermat's Enigma: The Epic Quest to Solve the World's Greatest Mathematical Problem. New York: Walker, 1997.
MLA-viite (8. p.)Singh, Simon, ja John Lynch. Fermat's Enigma: The Epic Quest to Solve the World's Greatest Mathematical Problem. Walker, 1997.
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